Something

import javax.swing.*;
import java.lang.*;


public class Punkt {
	private int x;
	private int y;
	public String newx;
	String setx() {
	newx = JOptionPane.showInputDialog("Ange X koordinat");
	x = parseInt(newx);
	}
	String visa() {
	System.out.println("["+x+","+y+"]");
	return null;
	}
}